Henry Dunn

Henry Dunn may refer to:


 * Henry Donn (or Dunn; died 1586), English conspirator involved in the Babington Plot
 * Henry Dunn (educationalist) (1801–1878), English educationalist and author
 * Henry Treffry Dunn (1838–1899), English painter, Dante Gabriel Rossetti's assistant
 * Henry Dunn (Harper's Island), a character in the TV series Harper's Island